]>
Commit | Line | Data |
---|---|---|
ac1cfefa MT |
1 | #!/usr/bin/perl |
2 | # | |
3 | # SmoothWall CGIs | |
4 | # | |
5 | # This code is distributed under the terms of the GPL | |
6 | # | |
7 | # (c) The SmoothWall Team | |
8 | # | |
ac1cfefa MT |
9 | |
10 | use LWP::UserAgent; | |
11 | use File::Copy; | |
12 | use File::Temp qw/ tempfile tempdir /; | |
13 | use strict; | |
14 | ||
15 | # enable only the following on debugging purpose | |
395e3b90 MT |
16 | use warnings; |
17 | use CGI::Carp 'fatalsToBrowser'; | |
ac1cfefa | 18 | |
986e08d9 | 19 | require '/var/ipfire/general-functions.pl'; |
ac1cfefa MT |
20 | require "${General::swroot}/lang.pl"; |
21 | require "${General::swroot}/header.pl"; | |
22 | ||
f2fdd0c1 CS |
23 | my %color = (); |
24 | my %mainsettings = (); | |
25 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
26 | &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color); | |
27 | ||
ac1cfefa MT |
28 | my %snortsettings=(); |
29 | my %checked=(); | |
5a3e0dca | 30 | my %selected=(); |
ac1cfefa MT |
31 | my %netsettings=(); |
32 | our $errormessage = ''; | |
33 | our $md5 = '0';# not '' to avoid displaying the wrong message when INSTALLMD5 not set | |
34 | our $realmd5 = ''; | |
35 | our $results = ''; | |
36 | our $tempdir = ''; | |
37 | our $url=''; | |
38 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
39 | ||
40 | &Header::showhttpheaders(); | |
41 | ||
42 | $snortsettings{'ENABLE_SNORT'} = 'off'; | |
43 | $snortsettings{'ENABLE_SNORT_GREEN'} = 'off'; | |
44 | $snortsettings{'ENABLE_SNORT_BLUE'} = 'off'; | |
45 | $snortsettings{'ENABLE_SNORT_ORANGE'} = 'off'; | |
1b73b07e | 46 | $snortsettings{'ENABLE_GUARDIAN'} = 'off'; |
ac1cfefa | 47 | $snortsettings{'ACTION'} = ''; |
5a3e0dca | 48 | $snortsettings{'RULES'} = ''; |
ac1cfefa MT |
49 | $snortsettings{'OINKCODE'} = ''; |
50 | $snortsettings{'INSTALLDATE'} = ''; | |
51 | $snortsettings{'INSTALLMD5'} = ''; | |
52 | ||
53 | &Header::getcgihash(\%snortsettings, {'wantfile' => 1, 'filevar' => 'FH'}); | |
54 | ||
395e3b90 | 55 | ####################### Added for snort rules control ################################# |
cf29614f | 56 | my $snortrulepath; # change to "/etc/snort/rules" - maniac |
395e3b90 MT |
57 | my @snortconfig; |
58 | my $restartsnortrequired = 0; | |
59 | my %snortrules; | |
60 | my $rule = ''; | |
61 | my $table1colour = ''; | |
62 | my $table2colour = ''; | |
63 | my $var = ''; | |
64 | my $value = ''; | |
65 | my $tmp = ''; | |
66 | my $linkedrulefile = ''; | |
67 | my $border = ''; | |
68 | my $checkboxname = ''; | |
69 | ||
70 | if (-e "/etc/snort/snort.conf") { | |
2999f1d2 CS |
71 | |
72 | ||
395e3b90 MT |
73 | # Open snort.conf file, read it in, close it, and re-open for writing |
74 | open(FILE, "/etc/snort/snort.conf") or die 'Unable to read snort config file.'; | |
75 | @snortconfig = <FILE>; | |
76 | close(FILE); | |
77 | open(FILE, ">/etc/snort/snort.conf") or die 'Unable to write snort config file.'; | |
78 | ||
2999f1d2 CS |
79 | my @rules = `cd /etc/snort/rules/ && ls *.rules`; # With this loop the rule might be display with correct rulepath set |
80 | foreach (@rules) { | |
81 | chomp $_; | |
82 | my $temp = join(";",@snortconfig); | |
83 | if ( $temp =~ /$_/ ){next;} | |
84 | else { push(@snortconfig,"#include \$RULE_PATH/".$_);} | |
85 | } | |
86 | ||
395e3b90 MT |
87 | # Loop over each line |
88 | foreach my $line (@snortconfig) { | |
cf29614f | 89 | # Trim the line |
395e3b90 MT |
90 | chomp $line; |
91 | ||
92 | # Check for a line with .rules | |
93 | if ($line =~ /\.rules$/) { | |
94 | # Parse out rule file name | |
95 | $rule = $line; | |
96 | $rule =~ s/\$RULE_PATH\///i; | |
97 | $rule =~ s/ ?include ?//i; | |
98 | $rule =~ s/\#//i; | |
99 | my $snortrulepathrule = "$snortrulepath/$rule"; | |
100 | ||
101 | # Open rule file and read in contents | |
102 | open(RULEFILE, "$snortrulepath/$rule") or die "Unable to read snort rule file for reading => $snortrulepath/$rule."; | |
103 | my @snortrulefile = <RULEFILE>; | |
104 | close(RULEFILE); | |
105 | open(RULEFILE, ">$snortrulepath/$rule") or die "Unable to write snort rule file for writing $snortrulepath/$rule"; | |
106 | ||
107 | # Local vars | |
108 | my $dashlinecnt = 0; | |
109 | my $desclook = 1; | |
110 | my $snortruledesc = ''; | |
111 | my %snortruledef = (); | |
112 | my $rulecnt = 1; | |
113 | ||
114 | # Loop over rule file contents | |
115 | foreach my $ruleline (@snortrulefile) { | |
116 | chomp $ruleline; | |
117 | ||
118 | # If still looking for a description | |
119 | if ($desclook) { | |
120 | # If line does not start with a # anymore, then done looking for a description | |
121 | if ($ruleline !~ /^\#/) { | |
122 | $desclook = 0; | |
123 | } | |
124 | ||
125 | # If see more than one dashed line, (start to) create rule file description | |
126 | if ($dashlinecnt > 1) { | |
127 | # Check for a line starting with a # | |
128 | if ($ruleline =~ /^\#/) { | |
129 | # Create tempruleline | |
130 | my $tempruleline = $ruleline; | |
131 | ||
132 | # Strip off # and clean up line | |
133 | $tempruleline =~ s/\# ?//i; | |
134 | ||
135 | # Check for part of a description | |
136 | if ($snortruledesc eq '') { | |
137 | $snortruledesc = $tempruleline; | |
138 | } else { | |
139 | $snortruledesc .= " $tempruleline"; | |
140 | } | |
141 | } else { | |
142 | # Must be done | |
143 | $desclook = 0; | |
144 | } | |
145 | } | |
146 | ||
147 | # If have a dashed line, increment count | |
148 | if ($ruleline =~ /\# ?\-+/) { | |
149 | $dashlinecnt++; | |
150 | } | |
151 | } else { | |
152 | # Parse out rule file rule's message for display | |
153 | if ($ruleline =~ /(msg\:\"[^\"]+\";)/) { | |
154 | my $msg = ''; | |
155 | $msg = $1; | |
156 | $msg =~ s/msg\:\"//i; | |
157 | $msg =~ s/\";//i; | |
158 | $snortruledef{$rulecnt}{'Description'} = $msg; | |
159 | ||
160 | # Check for 'Save' and rule file displayed in query string | |
161 | if (($snortsettings{'ACTION'} eq $Lang::tr{'update'}) && ($ENV{'QUERY_STRING'} =~ /$rule/i)) { | |
162 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
163 | if ((($ruleline =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"})) || (($ruleline !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}))) { | |
164 | $restartsnortrequired = 1; | |
165 | } | |
166 | ||
167 | # Strip out leading # from rule line | |
168 | $ruleline =~ s/\# ?//i; | |
169 | ||
170 | # Check if it does not exists (which means it is disabled), append a # | |
171 | if (!exists $snortsettings{"SNORT_RULE_$rule\_$rulecnt"}) { | |
172 | $ruleline = "#"." $ruleline"; | |
173 | } | |
174 | } | |
175 | ||
176 | # Check if ruleline does not begin with a #, so it is enabled | |
177 | if ($ruleline !~ /^\#/) { | |
178 | $snortruledef{$rulecnt++}{'State'} = 'Enabled'; | |
179 | } else { | |
180 | # Otherwise it is disabled | |
181 | $snortruledef{$rulecnt++}{'State'} = 'Disabled'; | |
182 | } | |
183 | } | |
184 | } | |
185 | ||
186 | # Print ruleline to RULEFILE | |
187 | print RULEFILE "$ruleline\n"; | |
188 | } | |
189 | ||
190 | # Close RULEFILE | |
191 | close(RULEFILE); | |
192 | ||
193 | # Check for 'Save' | |
194 | if ($snortsettings{'ACTION'} eq $Lang::tr{'update'}) { | |
195 | # Check for a disable rule which is now enabled, or an enabled rule which is now disabled | |
196 | if ((($line =~ /^\#/) && (exists $snortsettings{"SNORT_RULE_$rule"})) || (($line !~ /^\#/) && (!exists $snortsettings{"SNORT_RULE_$rule"}))) { | |
197 | $restartsnortrequired = 1; | |
198 | } | |
199 | ||
200 | # Strip out leading # from rule line | |
201 | $line =~ s/\# ?//i; | |
202 | ||
203 | # Check if it does not exists (which means it is disabled), append a # | |
204 | if (!exists $snortsettings{"SNORT_RULE_$rule"}) { | |
205 | $line = "# $line"; | |
206 | } | |
207 | } | |
208 | ||
209 | # Check for rule state | |
210 | if ($line =~ /^\#/) { | |
211 | $snortrules{$rule}{"State"} = "Disabled"; | |
212 | } else { | |
213 | $snortrules{$rule}{"State"} = "Enabled"; | |
214 | } | |
215 | ||
216 | # Set rule description | |
217 | $snortrules{$rule}{"Description"} = $snortruledesc; | |
218 | ||
219 | # Loop over sorted rules | |
220 | foreach my $ruledef (sort {$a <=> $b} keys(%snortruledef)) { | |
221 | $snortrules{$rule}{"Definition"}{$ruledef}{'Description'} = $snortruledef{$ruledef}{'Description'}; | |
222 | $snortrules{$rule}{"Definition"}{$ruledef}{'State'} = $snortruledef{$ruledef}{'State'}; | |
223 | } | |
224 | ||
225 | $snortruledesc = ''; | |
226 | print FILE "$line\n"; | |
227 | } elsif ($line =~ /var RULE_PATH/) { | |
228 | ($tmp, $tmp, $snortrulepath) = split(' ', $line); | |
229 | print FILE "$line\n"; | |
230 | } else { | |
231 | print FILE "$line\n"; | |
232 | } | |
233 | } | |
234 | close(FILE); | |
235 | ||
236 | if ($restartsnortrequired) { | |
18322edf | 237 | system('/usr/local/bin/snortctrl restart >/dev/null'); |
395e3b90 MT |
238 | } |
239 | } | |
240 | ||
241 | ####################### End added for snort rules control ################################# | |
242 | ||
5a3e0dca MT |
243 | if ($snortsettings{'RULES'} eq 'subscripted') { |
244 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT_s.tar.gz"; | |
245 | } elsif ($snortsettings{'RULES'} eq 'registered') { | |
246 | $url="http://www.snort.org/pub-bin/oinkmaster.cgi/$snortsettings{'OINKCODE'}/snortrules-snapshot-CURRENT.tar.gz"; | |
ac1cfefa | 247 | } else { |
5a3e0dca | 248 | $url="http://www.snort.org/pub-bin/downloads.cgi/Download/comm_rules/Community-Rules-CURRENT.tar.gz"; |
ac1cfefa MT |
249 | } |
250 | ||
251 | if ($snortsettings{'ACTION'} eq $Lang::tr{'save'}) | |
252 | { | |
253 | $errormessage = $Lang::tr{'invalid input for oink code'} unless ( | |
254 | ($snortsettings{'OINKCODE'} =~ /^[a-z0-9]+$/) || | |
255 | ($snortsettings{'RULESTYPE'} eq 'nothing' ) ); | |
256 | ||
257 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
258 | if ($snortsettings{'ENABLE_SNORT'} eq 'on') | |
259 | { | |
9833e7d8 | 260 | system ('/usr/bin/touch', "${General::swroot}/snort/enable"); |
ac1cfefa MT |
261 | } else { |
262 | unlink "${General::swroot}/snort/enable"; | |
263 | } | |
264 | if ($snortsettings{'ENABLE_SNORT_GREEN'} eq 'on') | |
265 | { | |
9833e7d8 | 266 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_green"); |
ac1cfefa MT |
267 | } else { |
268 | unlink "${General::swroot}/snort/enable_green"; | |
269 | } | |
270 | if ($snortsettings{'ENABLE_SNORT_BLUE'} eq 'on') | |
271 | { | |
9833e7d8 | 272 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_blue"); |
ac1cfefa MT |
273 | } else { |
274 | unlink "${General::swroot}/snort/enable_blue"; | |
275 | } | |
276 | if ($snortsettings{'ENABLE_SNORT_ORANGE'} eq 'on') | |
277 | { | |
9833e7d8 | 278 | system ('/usr/bin/touch', "${General::swroot}/snort/enable_orange"); |
ac1cfefa MT |
279 | } else { |
280 | unlink "${General::swroot}/snort/enable_orange"; | |
281 | } | |
1b73b07e CS |
282 | if ($snortsettings{'ENABLE_GUARDIAN'} eq 'on') |
283 | { | |
284 | system ('/usr/bin/touch', "${General::swroot}/guardian/enable"); | |
285 | } else { | |
286 | unlink "${General::swroot}/guardian/enable"; | |
287 | } | |
ac1cfefa | 288 | |
18322edf | 289 | system('/usr/local/bin/snortctrl restart >/dev/null'); |
395e3b90 | 290 | |
ac1cfefa MT |
291 | } else { |
292 | # INSTALLMD5 is not in the form, so not retrieved by getcgihash | |
293 | &General::readhash("${General::swroot}/snort/settings", \%snortsettings); | |
294 | } | |
295 | ||
296 | if ($snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'}) { | |
297 | $md5 = &getmd5; | |
298 | if (($snortsettings{'INSTALLMD5'} ne $md5) && defined $md5 ) { | |
299 | chomp($md5); | |
300 | my $filename = &downloadrulesfile(); | |
301 | if (defined $filename) { | |
302 | # Check MD5sum | |
303 | $realmd5 = `/usr/bin/md5sum $filename`; | |
304 | chomp ($realmd5); | |
305 | $realmd5 =~ s/^(\w+)\s.*$/$1/; | |
306 | if ($md5 ne $realmd5) { | |
307 | $errormessage = "$Lang::tr{'invalid md5sum'}"; | |
308 | } else { | |
309 | $results = "<b>$Lang::tr{'installed updates'}</b>\n<pre>"; | |
395e3b90 | 310 | $results .=`/usr/local/bin/oinkmaster.pl -s -u file://$filename -C /var/ipfire/snort/oinkmaster.conf -o /etc/snort/rules 2>&1`; |
ac1cfefa MT |
311 | $results .= "</pre>"; |
312 | } | |
313 | unlink ($filename); | |
314 | } | |
315 | } | |
316 | } | |
317 | ||
318 | $checked{'ENABLE_SNORT'}{'off'} = ''; | |
319 | $checked{'ENABLE_SNORT'}{'on'} = ''; | |
320 | $checked{'ENABLE_SNORT'}{$snortsettings{'ENABLE_SNORT'}} = "checked='checked'"; | |
321 | $checked{'ENABLE_SNORT_GREEN'}{'off'} = ''; | |
322 | $checked{'ENABLE_SNORT_GREEN'}{'on'} = ''; | |
323 | $checked{'ENABLE_SNORT_GREEN'}{$snortsettings{'ENABLE_SNORT_GREEN'}} = "checked='checked'"; | |
324 | $checked{'ENABLE_SNORT_BLUE'}{'off'} = ''; | |
325 | $checked{'ENABLE_SNORT_BLUE'}{'on'} = ''; | |
326 | $checked{'ENABLE_SNORT_BLUE'}{$snortsettings{'ENABLE_SNORT_BLUE'}} = "checked='checked'"; | |
327 | $checked{'ENABLE_SNORT_ORANGE'}{'off'} = ''; | |
328 | $checked{'ENABLE_SNORT_ORANGE'}{'on'} = ''; | |
329 | $checked{'ENABLE_SNORT_ORANGE'}{$snortsettings{'ENABLE_SNORT_ORANGE'}} = "checked='checked'"; | |
1b73b07e CS |
330 | $checked{'ENABLE_GUARDIAN'}{'off'} = ''; |
331 | $checked{'ENABLE_GUARDIAN'}{'on'} = ''; | |
332 | $checked{'ENABLE_GUARDIAN'}{$snortsettings{'ENABLE_GUARDIAN'}} = "checked='checked'"; | |
5a3e0dca | 333 | $selected{'RULES'}{'nothing'} = ''; |
5a3e0dca MT |
334 | $selected{'RULES'}{'community'} = ''; |
335 | $selected{'RULES'}{'registered'} = ''; | |
336 | $selected{'RULES'}{'subscripted'} = ''; | |
337 | $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'"; | |
ac1cfefa MT |
338 | |
339 | &Header::openpage($Lang::tr{'intrusion detection system'}, 1, ''); | |
340 | ||
395e3b90 MT |
341 | ####################### Added for snort rules control ################################# |
342 | print "<SCRIPT LANGUAGE='JavaScript' SRC='/include/snortupdateutility.js'></SCRIPT>"; | |
343 | print <<END | |
344 | <STYLE TYPE="text/css"> | |
345 | <!-- | |
346 | .section { | |
347 | border: groove; | |
348 | } | |
349 | .row1color { | |
350 | border: ridge; | |
f2fdd0c1 | 351 | background-color: $color{'color22'}; |
395e3b90 MT |
352 | } |
353 | .row2color { | |
354 | border: ridge; | |
f2fdd0c1 | 355 | background-color: $color{'color20'}; |
395e3b90 MT |
356 | } |
357 | .rowselected { | |
358 | border: double #FF0000; | |
359 | background-color: #DCDCDC; | |
360 | } | |
361 | --> | |
362 | </STYLE> | |
363 | END | |
364 | ; | |
365 | ####################### End added for snort rules control ################################# | |
366 | ||
ac1cfefa MT |
367 | &Header::openbigbox('100%', 'left', '', $errormessage); |
368 | ||
369 | if ($errormessage) { | |
370 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
371 | print "<class name='base'>$errormessage\n"; | |
372 | print " </class>\n"; | |
373 | &Header::closebox(); | |
374 | } | |
375 | ||
376 | &Header::openbox('100%', 'left', $Lang::tr{'intrusion detection system2'}); | |
377 | print <<END | |
378 | <form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'> | |
1b73b07e | 379 | <tr><td class='base'><input type='checkbox' name='ENABLE_SNORT_GREEN' $checked{'ENABLE_SNORT_GREEN'}{'on'} />GREEN Snort |
ac1cfefa MT |
380 | END |
381 | ; | |
382 | if ($netsettings{'BLUE_DEV'} ne '') { | |
1b73b07e | 383 | print " <input type='checkbox' name='ENABLE_SNORT_BLUE' $checked{'ENABLE_SNORT_BLUE'}{'on'} /> BLUE Snort"; |
ac1cfefa MT |
384 | } |
385 | if ($netsettings{'ORANGE_DEV'} ne '') { | |
1b73b07e | 386 | print " <input type='checkbox' name='ENABLE_SNORT_ORANGE' $checked{'ENABLE_SNORT_ORANGE'}{'on'} /> ORANGE Snort"; |
ac1cfefa | 387 | } |
1b73b07e CS |
388 | print " <input type='checkbox' name='ENABLE_SNORT' $checked{'ENABLE_SNORT'}{'on'} /> RED Snort"; |
389 | if ( -e "/var/ipfire/guardian/guardian.conf" ) { | |
390 | print " <input type='checkbox' name='ENABLE_GUARDIAN' $checked{'ENABLE_GUARDIAN'}{'on'} /> Guardian"; | |
391 | } | |
392 | ||
ac1cfefa | 393 | print <<END |
1b73b07e | 394 | </td></tr> |
ac1cfefa MT |
395 | <tr> |
396 | <td><hr /></td> | |
397 | </tr> | |
398 | <tr> | |
399 | <td><b>$Lang::tr{'ids rules update'}</b></td> | |
400 | </tr> | |
401 | <tr> | |
5a3e0dca MT |
402 | <td><select name='RULES'> |
403 | <option value='nothing' $selected{'RULES'}{'nothing'} >$Lang::tr{'no'}</option> | |
5a3e0dca MT |
404 | <option value='community' $selected{'RULES'}{'community'} >$Lang::tr{'community rules'}</option> |
405 | <option value='registered' $selected{'RULES'}{'registered'} >$Lang::tr{'registered user rules'}</option> | |
406 | <option value='subscripted' $selected{'RULES'}{'subscripted'} >$Lang::tr{'subscripted user rules'}</option> | |
407 | </select> | |
408 | </td> | |
ac1cfefa MT |
409 | </tr> |
410 | <tr> | |
411 | <td><br /> | |
412 | $Lang::tr{'ids rules license'} <a href='http://www.snort.org/' target='_blank'>http://www.snort.org</a>.<br /> | |
413 | <br /> | |
414 | $Lang::tr{'ids rules license2'} <a href='http://www.snort.org/reg-bin/userprefs.cgi' target='_blank'>USER PREFERENCES</a>, $Lang::tr{'ids rules license3'}<br /> | |
415 | </td> | |
416 | </tr> | |
417 | <tr> | |
5a3e0dca | 418 | <td nowrap='nowrap'>Oinkcode: <input type='text' size='40' name='OINKCODE' value='$snortsettings{'OINKCODE'}' /></td> |
ac1cfefa MT |
419 | </tr> |
420 | <tr> | |
421 | <td width='30%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'download new ruleset'}' /> | |
422 | END | |
423 | ; | |
424 | ||
425 | if ($snortsettings{'INSTALLMD5'} eq $md5) { | |
426 | print " $Lang::tr{'rules already up to date'}</td>"; | |
427 | } else { | |
428 | if ( $snortsettings{'ACTION'} eq $Lang::tr{'download new ruleset'} && $md5 eq $realmd5 ) { | |
429 | $snortsettings{'INSTALLMD5'} = $realmd5; | |
430 | $snortsettings{'INSTALLDATE'} = `/bin/date +'%Y-%m-%d'`; | |
431 | &General::writehash("${General::swroot}/snort/settings", \%snortsettings); | |
432 | } | |
433 | print " $Lang::tr{'updates installed'}: $snortsettings{'INSTALLDATE'}</td>"; | |
434 | } | |
435 | print <<END | |
436 | </tr> | |
437 | </table> | |
438 | <hr /> | |
439 | <table width='100%'> | |
440 | <tr> | |
441 | <td width='55%'> </td> | |
442 | <td width='40%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
443 | <td width='5%'> | |
444 | <!-- space for future online help link --> | |
445 | </td> | |
446 | </tr> | |
447 | </table> | |
448 | </form> | |
449 | END | |
450 | ; | |
451 | ||
452 | if ($results ne '') { | |
453 | print "$results"; | |
454 | } | |
455 | ||
456 | &Header::closebox(); | |
395e3b90 | 457 | ####################### Added for snort rules control ################################# |
3ffee04b CS |
458 | if ( -e "${General::swroot}/snort/enable" || -e "${General::swroot}/snort/enable_green" || -e "${General::swroot}/snort/enable_blue" || -e "${General::swroot}/snort/enable_orange" ) { |
459 | &Header::openbox('100%', 'LEFT', $Lang::tr{'intrusion detection system rules'}); | |
460 | # Output display table for rule files | |
461 | print "<TABLE width='100%'><TR><TD VALIGN='TOP'><TABLE>"; | |
462 | ||
463 | print "<form method='post'>"; | |
464 | ||
465 | # Local vars | |
466 | my $ruledisplaycnt = 1; | |
467 | my $rulecnt = keys %snortrules; | |
468 | $rulecnt++; | |
469 | $rulecnt = $rulecnt / 2; | |
470 | ||
471 | # Loop over each rule file | |
472 | foreach my $rulefile (sort keys(%snortrules)) { | |
473 | my $rulechecked = ''; | |
474 | ||
475 | # Check if reached half-way through rule file rules to start new column | |
476 | if ($ruledisplaycnt > $rulecnt) { | |
477 | print "</TABLE></TD><TD VALIGN='TOP'><TABLE>"; | |
478 | $ruledisplaycnt = 0; | |
2999f1d2 | 479 | } |
3ffee04b CS |
480 | |
481 | # Check if rule file is enabled | |
482 | if ($snortrules{$rulefile}{"State"} eq 'Enabled') { | |
483 | $rulechecked = 'CHECKED'; | |
484 | } | |
485 | ||
486 | # Create rule file link, vars array, and display flag | |
2999f1d2 | 487 | my $rulefilelink = "?RULEFILE=$rulefile"; |
3ffee04b CS |
488 | my $rulefiletoclose = ''; |
489 | my @queryvars = (); | |
490 | my $displayrulefilerules = 0; | |
491 | ||
492 | # Check for passed in query string | |
493 | if ($ENV{'QUERY_STRING'}) { | |
494 | # Split out vars | |
2999f1d2 | 495 | @queryvars = split(/\&/, $ENV{'QUERY_STRING'}); |
3ffee04b CS |
496 | |
497 | # Loop over values | |
498 | foreach $value (@queryvars) { | |
499 | # Split out var pairs | |
2999f1d2 | 500 | ($var, $linkedrulefile) = split(/=/, $value); |
3ffee04b CS |
501 | |
502 | # Check if var is 'RULEFILE' | |
503 | if ($var eq 'RULEFILE') { | |
504 | # Check if rulefile equals linkedrulefile | |
505 | if ($rulefile eq $linkedrulefile) { | |
506 | # Set display flag | |
507 | $displayrulefilerules = 1; | |
508 | ||
509 | # Strip out rulefile from rulefilelink | |
510 | $rulefilelink =~ s/RULEFILE=$linkedrulefile//g; | |
511 | } else { | |
512 | # Add linked rule file to rulefilelink | |
513 | $rulefilelink .= "&RULEFILE=$linkedrulefile"; | |
514 | } | |
515 | } | |
516 | } | |
517 | } | |
2999f1d2 | 518 | |
3ffee04b CS |
519 | # Strip out extra & & ? from rulefilelink |
520 | $rulefilelink =~ s/^\?\&/\?/i; | |
521 | ||
522 | # Check for a single '?' and replace with page for proper link display | |
523 | if ($rulefilelink eq '?') { | |
524 | $rulefilelink = "ids.cgi"; | |
525 | } | |
526 | ||
527 | # Output rule file name and checkbox | |
528 | print "<TR><TD CLASS='base' VALIGN='TOP'><INPUT TYPE='checkbox' NAME='SNORT_RULE_$rulefile' $rulechecked> <A HREF='$rulefilelink'>$rulefile</A></TD></TR>"; | |
529 | print "<TR><TD CLASS='base' VALIGN='TOP'>"; | |
530 | ||
531 | # Check for empty 'Description' | |
532 | if ($snortrules{$rulefile}{'Description'} eq '') { | |
533 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>No description available</TD></TR>"; | |
534 | } else { | |
535 | # Output rule file 'Description' | |
536 | print "<TABLE WIDTH='100%'><TR><TD CLASS='base'>$snortrules{$rulefile}{'Description'}</TD></TR>"; | |
537 | } | |
538 | ||
539 | # Check for display flag | |
540 | if ($displayrulefilerules) { | |
541 | # Rule file definition rule display | |
542 | print "<TR><TD CLASS='base' VALIGN='TOP'><TABLE border=1><TR>"; | |
543 | ||
544 | # Local vars | |
545 | my $ruledefdisplaycnt = 0; | |
546 | my $ruledefcnt = keys %{$snortrules{$rulefile}{"Definition"}}; | |
547 | $ruledefcnt++; | |
548 | $ruledefcnt = $ruledefcnt / 2; | |
549 | ||
550 | # Loop over rule file rules | |
551 | foreach my $ruledef (sort {$a <=> $b} keys(%{$snortrules{$rulefile}{"Definition"}})) { | |
552 | # Local vars | |
553 | my $ruledefchecked = ''; | |
554 | ||
555 | # If have display 2 rules, start new row | |
556 | if (($ruledefdisplaycnt % 2) == 0) { | |
557 | print "</TR><TR>"; | |
558 | $ruledefdisplaycnt = 0; | |
559 | } | |
560 | ||
561 | # Check for rules state | |
562 | if ($snortrules{$rulefile}{'Definition'}{$ruledef}{'State'} eq 'Enabled') { | |
563 | $ruledefchecked = 'CHECKED'; | |
564 | } | |
565 | ||
566 | # Create rule file rule's checkbox | |
567 | $checkboxname = "SNORT_RULE_$rulefile"; | |
568 | $checkboxname .= "_$ruledef"; | |
569 | print "<TD CLASS='base'><INPUT TYPE='checkbox' NAME='$checkboxname' $ruledefchecked> $snortrules{$rulefile}{'Definition'}{$ruledef}{'Description'}</TD>"; | |
570 | ||
571 | # Increment count | |
572 | $ruledefdisplaycnt++; | |
573 | } | |
574 | ||
575 | # If do not have second rule for row, create empty cell | |
576 | if (($ruledefdisplaycnt % 2) != 0) { | |
577 | print "<TD CLASS='base'></TD>"; | |
578 | } | |
579 | ||
580 | # Close display table | |
581 | print "</TR></TABLE></TD></TR>"; | |
2999f1d2 | 582 | } |
3ffee04b CS |
583 | |
584 | # Close display table | |
585 | print "</TABLE>"; | |
586 | ||
587 | # Increment ruledisplaycnt | |
2999f1d2 | 588 | $ruledisplaycnt++; |
3ffee04b | 589 | } |
3ffee04b CS |
590 | print "</TD></TR></TABLE></TD></TR></TABLE>"; |
591 | print <<END | |
2999f1d2 CS |
592 | <table width='100%'> |
593 | <tr> | |
3ffee04b CS |
594 | <td width='33%'> </td> |
595 | <td width='33%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td> | |
596 | <td width='33%'> | |
597 | <!-- space for future online help link --> | |
598 | </td> | |
2999f1d2 CS |
599 | </tr> |
600 | </table> | |
601 | </form> | |
3ffee04b CS |
602 | END |
603 | ; | |
604 | &Header::closebox(); | |
605 | } | |
395e3b90 | 606 | |
395e3b90 | 607 | ####################### End added for snort rules control ################################# |
ac1cfefa MT |
608 | &Header::closebigbox(); |
609 | &Header::closepage(); | |
610 | ||
611 | sub getmd5 { | |
612 | # Retrieve MD5 sum from $url.md5 file | |
613 | # | |
614 | my $md5buf = &geturl("$url.md5"); | |
615 | return undef unless $md5buf; | |
616 | ||
617 | if (0) { # 1 to debug | |
618 | my $filename=''; | |
619 | my $fh=''; | |
620 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.md5' ); | |
621 | binmode ($fh); | |
622 | syswrite ($fh, $md5buf->content); | |
623 | close($fh); | |
624 | } | |
625 | return $md5buf->content; | |
626 | } | |
627 | sub downloadrulesfile { | |
628 | my $return = &geturl($url); | |
629 | return undef unless $return; | |
630 | ||
631 | if (index($return->content, "\037\213") == -1 ) { # \037\213 is .gz beginning | |
632 | $errormessage = $Lang::tr{'invalid loaded file'}; | |
633 | return undef; | |
634 | } | |
635 | ||
636 | my $filename=''; | |
637 | my $fh=''; | |
638 | ($fh, $filename) = tempfile('/tmp/XXXXXXXX',SUFFIX => '.tar.gz' );#oinkmaster work only with this extension | |
639 | binmode ($fh); | |
640 | syswrite ($fh, $return->content); | |
641 | close($fh); | |
642 | return $filename; | |
643 | } | |
644 | ||
645 | sub geturl ($) { | |
646 | my $url=$_[0]; | |
647 | ||
648 | unless (-e "${General::swroot}/red/active") { | |
649 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
650 | return undef; | |
651 | } | |
652 | ||
653 | my $downloader = LWP::UserAgent->new; | |
654 | $downloader->timeout(5); | |
655 | ||
656 | my %proxysettings=(); | |
657 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
658 | ||
659 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
660 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
661 | if ($proxysettings{'UPSTREAM_USER'}) { | |
662 | $downloader->proxy("http","http://$proxysettings{'UPSTREAM_USER'}:$proxysettings{'UPSTREAM_PASSWORD'}@"."$peer:$peerport/"); | |
663 | } else { | |
664 | $downloader->proxy("http","http://$peer:$peerport/"); | |
665 | } | |
666 | } | |
667 | ||
668 | my $return = $downloader->get($url,'Cache-Control','no-cache'); | |
669 | ||
670 | if ($return->code == 403) { | |
671 | $errormessage = $Lang::tr{'access refused with this oinkcode'}; | |
672 | return undef; | |
673 | } elsif (!$return->is_success()) { | |
674 | $errormessage = $Lang::tr{'could not download latest updates'}; | |
675 | return undef; | |
676 | } | |
677 | ||
678 | return $return; | |
679 | ||
680 | } |